APA (7th ed.) Citation

National Geographic Society. (1979). Mysteries of the ancient world. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society. Mysteries of the Ancient World. Washington, D.C: National Geographic Society, 1979.

MLA (9th ed.) Citation

National Geographic Society. Mysteries of the Ancient World. National Geographic Society, 1979.

Warning: These citations may not always be 100% accurate.